From an event... there is 10% chance of outcome A and 90% chance of outcome B. What is the chance that you get 100% outcome B for 31 instances in a row.
acoustic relic
From an event... there is 10% chance of outcome A and 90% chance of outcome B. What is the chance that you get 100% outcome B for 31 instances in a row.
mighty graniteBOT
sharp nest
Maybe you can try to draw a tree and ask yourself how you can discribe this event with independent variable.